Follow up to revision 7386:
Follow up to revision 7386:

* HACKING: List the new "Tracking down memory leaks" section in the
    table of contents, and refer to it from the "APR pool usage
    conventions" section.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion